From 279a3c1828fde003420e74cc3da28e5ac32f9a7c Mon Sep 17 00:00:00 2001
From: Tom Hubrecht <tom.hubrecht@ens.fr>
Date: Wed, 29 Jun 2022 11:10:37 +0200
Subject: [PATCH] Simplify group_send for kpsul

---
 kfet/consumers.py |  9 +++++++++
 kfet/views.py     | 13 ++++---------
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/kfet/consumers.py b/kfet/consumers.py
index e8334421..1765836c 100644
--- a/kfet/consumers.py
+++ b/kfet/consumers.py
@@ -1,3 +1,6 @@
+from asgiref.sync import async_to_sync
+from channels.layers import get_channel_layer
+
 from .utils import DjangoJsonWebsocketConsumer, PermConsumerMixin
 
 
@@ -7,3 +10,9 @@ class KPsul(PermConsumerMixin, DjangoJsonWebsocketConsumer):
 
     async def kpsul(self, event):
         await self.send_json(event)
+
+    @classmethod
+    @async_to_sync
+    async def group_send(cls, group, data):
+        channel_layer = get_channel_layer()
+        await channel_layer.group_send(group, data)
diff --git a/kfet/views.py b/kfet/views.py
index d4155224..e7e6e273 100644
--- a/kfet/views.py
+++ b/kfet/views.py
@@ -6,8 +6,6 @@ from decimal import Decimal
 from typing import List, Tuple
 from urllib.parse import urlencode
 
-from asgiref.sync import async_to_sync
-from channels.layers import get_channel_layer
 from django.conf import settings
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required, permission_required
@@ -48,6 +46,7 @@ from kfet import KFET_DELETED_TRIGRAMME
 from kfet.auth.decorators import kfet_password_auth
 from kfet.autocomplete import kfet_account_only_autocomplete, kfet_autocomplete
 from kfet.config import kfet_config
+from kfet.consumers import KPsul
 from kfet.decorators import teamkfet_required
 from kfet.forms import (
     AccountForm,
@@ -1001,9 +1000,8 @@ def kpsul_update_addcost(request):
         "type": "kpsul",
     }
 
-    channel_layer = get_channel_layer()
+    KPsul.group_send("kfet.kpsul", data)
 
-    async_to_sync(channel_layer.group_send)("kfet.kpsul", data)
     return JsonResponse(data)
 
 
@@ -1235,9 +1233,8 @@ def kpsul_perform_operations(request):
             {"id": article["id"], "stock": article["stock"]}
         )
 
-    channel_layer = get_channel_layer()
+    KPsul.group_send("kfet.kpsul", websocket_data)
 
-    async_to_sync(channel_layer.group_send)("kfet.kpsul", websocket_data)
     return JsonResponse(data)
 
 
@@ -1442,9 +1439,7 @@ def cancel_operations(request):
             {"id": article["id"], "stock": article["stock"]}
         )
 
-    channel_layer = get_channel_layer()
-
-    async_to_sync(channel_layer.group_send)("kfet.kpsul", websocket_data)
+    KPsul.group_send("kfet.kpsul", websocket_data)
 
     data["canceled"] = list(opes)
     data["opegroups_to_update"] = list(opegroups)